20402942 (number)

20402942 is an even 8-digits composite number following 20402941 and preceding 20402943. In scientific notation, it is written as 2.0402942 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 8744112 positive integers (up to 20402942) that are relatively prime to 20402942.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand nine hundred forty-two

Notation

Scientific notation 2.0402942 × 10^7
Engineering notation 2.0402942 × 10^6

Prime Factorization of 20402942

Prime Factorization 2 × 7 × 1457353

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402942
Product of the distinct prime numbers

The prime factorization of 20402942 is 2 × 7 × 1457353. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402942)

Multiplication

n×y
n×2 40805884
n×3 61208826
n×4 81611768
n×5 102014710

Division

n÷y
n÷2 10201471
n÷3 6800980.6666667
n÷3 5100735.5
n÷5 4080588.4

Exponentiation

ny
n2 416280042255364
n3 8.4933375578937E+21
n4 1.7328907358013E+29
n5 3.5356069174891E+36

Nth Root

y√n
2√n 4516.9615893873
3√n 273.25257611593
4√n 67.208344641029
5√n 28.96933720409

Divisors of 20402942

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402942 can be divided by 8 positive divisors. The sum of these divisors (counting 20402942) is 1, the average is 0.125.

Base conversion 20402942

Base System Value
2 Binary 1001101110101001011111110
3 Ternary 1102101120120112
4 Quaternary 1031311023332
5 Quinary 20210343232
6 Senary 2005150022
8 Octal 115651376
10 Decimal 20402942
12 Duodecimal 69bb312
16 Hexadecimal 13752fe
20 Vigesimal 67a772
36 Base36 c5b0e

Cryptographic Hash Functions

md5 aa599b3d87458019012ec3c5cc3b14fc
sha1 0d541a439707dcee97804e37c491f5abe02fce26
sha256 c50c8c17303888e2b5aa586d1cdad0f55c0a9fdb7d490aae2e817b42cc0c1313
sha512 de32de36e2d81e1d2bdc14a647b0303335eee0ff20b64cb0601b43d2632424a878434712502fc09f24b0c526b81420404e23a632361aad4404504a95824d3442
ripemd-160 348d28c9531129e258956fac3ece92a3e8a051e7

20402942 as geometric shapes

Circle

Radius = n
Diameter 40805884
Circumference 128195465.39764
Area 1.3077823225855E+15

Sphere

Radius = n
Volume 3.557680916845E+22
Surface area 5.231129290342E+15
Circumference 128195465.39764

Square

Length = n
Perimeter 81611768
Area 416280042255364
Diagonal 28854117.288712

Cube

Length = n
Surface area 2497680253532184
Volume 8.4933375578937E+21
Space diagonal 35338932.167881

Equilateral Triangle

Length = n
Perimeter 61208826
Area 1.802545458408E+14
Altitude 17669466.08394

Triangular Pyramid

Length = n
Surface area 1.802545458408E+14
Volume 1.0009494303488E+21
Height 9618039.0962372